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18b788c997e3da88bdeabee91c6609537216e55f
federated-calendar/src/gcal-date-chooser.c
T
Victor Toso 52a9864cba date-chooser: Fix GDateTime leak 
By using finalize and dispose methods and calling the proper free method.

8,806 (64 direct, 8,742 indirect) bytes in 2 blocks are definitely lost in loss record 18,051 of 18,131
   at 0x4C2DB9D: malloc (vg_replace_malloc.c:299)
   by 0x9A0C90E: g_malloc (gmem.c:94)
   by 0x9A26A55: g_slice_alloc (gslice.c:1025)
   by 0x9A26A95: g_slice_alloc0 (gslice.c:1051)
   by 0x99E8DC4: g_date_time_alloc (gdatetime.c:428)
   by 0x99E95C1: g_date_time_new (gdatetime.c:957)
   by 0x99E97B2: g_date_time_new_local (gdatetime.c:1012)
   by 0x4251F4: multi_choice_changed (gcal-date-chooser.c:419)
   by 0x9567F16: g_cclosure_marshal_VOID__PARAM (gmarshal.c:1832)
   by 0x95638B9: g_closure_invoke (gclosure.c:804)
   by 0x957FD25: signal_emit_unlocked_R (gsignal.c:3635)
   by 0x957F05C: g_signal_emit_valist (gsignal.c:3391)

https://bugzilla.gnome.org/show_bug.cgi?id=772272
2016-10-01 19:20:01 -03:00

820 lines
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/* GTK - The GIMP Toolkit
*
* Copyright (C) 2015 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include "gcal-utils.h"
#include "gcal-date-chooser.h"
#include "gcal-date-chooser-day.h"
#include "gcal-multi-choice.h"
#include <stdlib.h>
#include <langinfo.h>
struct _GcalDateChooser
{
GtkBin parent;
GtkWidget *month_choice;
GtkWidget *year_choice;
GtkWidget *grid;
GtkWidget *day_grid;
GtkWidget *corner;
GtkWidget *cols[7];
GtkWidget *rows[6];
GtkWidget *days[6][7];
GDateTime *date;
gint this_year;
gint week_start;
gboolean show_heading;
gboolean show_day_names;
gboolean show_week_numbers;
gboolean no_month_change;
GcalDateChooserDayOptionsCallback day_options_cb;
gpointer day_options_data;
GDestroyNotify day_options_destroy;
};
G_DEFINE_TYPE (GcalDateChooser, gcal_date_chooser, GTK_TYPE_BIN)
enum
{
MONTH_CHANGED,
DAY_SELECTED,
LAST_SIGNAL
};
enum
{
PROP_0,
PROP_DATE,
PROP_SHOW_HEADING,
PROP_SHOW_DAY_NAMES,
PROP_SHOW_WEEK_NUMBERS,
PROP_NO_MONTH_CHANGE,
NUM_PROPERTIES
};
static guint signals[LAST_SIGNAL] = { 0, };
static GParamSpec *properties[NUM_PROPERTIES] = { NULL, };
static const guint month_length[2][13] =
{
{ 0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 },
{ 0, 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }
};
static gboolean
leap (guint year)
{
return ((((year % 4) == 0) && ((year % 100) != 0)) || ((year % 400) == 0));
}
static void
calendar_compute_days (GcalDateChooser *self)
{
GcalDateChooserDay *d;
GDateTime *date;
gint year, month, day;
gint other_year, other_month;
gint ndays_in_month;
gint ndays_in_prev_month;
gint first_day;
gint row;
gint col;
g_date_time_get_ymd (self->date, &year, &month, NULL);
ndays_in_month = month_length[leap (year)][month];
date = g_date_time_new_local (year, month, 1, 1, 1, 1);
first_day = g_date_time_get_day_of_week (date);
g_date_time_unref (date);
first_day = (first_day + 7 - self->week_start) % 7;
if (first_day == 0)
first_day = 7;
/* Compute days of previous month */
if (month > 1)
ndays_in_prev_month = month_length[leap (year)][month - 1];
else
ndays_in_prev_month = month_length[leap (year - 1)][12];
day = ndays_in_prev_month - first_day + 1;
other_year = year;
other_month = month - 1;
if (other_month == 0)
{
other_month = 12;
other_year -= 1;
}
for (col = 0; col < first_day; col++)
{
d = GCAL_DATE_CHOOSER_DAY (self->days[0][col]);
date = g_date_time_new_local (other_year, other_month, day, 1, 1, 1);
gcal_date_chooser_day_set_date (d, date);
gcal_date_chooser_day_set_other_month (d, TRUE);
g_date_time_unref (date);
day++;
}
/* Compute days of current month */
row = first_day / 7;
col = first_day % 7;
for (day = 1; day <= ndays_in_month; day++)
{
d = GCAL_DATE_CHOOSER_DAY (self->days[row][col]);
date = g_date_time_new_local (year, month, day, 1, 1, 1);
gcal_date_chooser_day_set_date (d, date);
gcal_date_chooser_day_set_other_month (d, FALSE);
g_date_time_unref (date);
col++;
if (col == 7)
{
row++;
col = 0;
}
}
/* Compute days of next month */
other_year = year;
other_month = month + 1;
if (other_month == 13)
{
other_month = 1;
other_year += 1;
}
day = 1;
for (; row < 6; row++)
{
for (; col < 7; col++)
{
d = GCAL_DATE_CHOOSER_DAY (self->days[row][col]);
date = g_date_time_new_local (other_year, other_month, day, 1, 1, 1);
gcal_date_chooser_day_set_date (d, date);
gcal_date_chooser_day_set_other_month (d, TRUE);
g_date_time_unref (date);
day++;
}
col = 0;
}
/* update week numbers */
for (row = 0; row < 6; row++)
{
gchar *text;
d = GCAL_DATE_CHOOSER_DAY (self->days[row][6]);
date = gcal_date_chooser_day_get_date (d);
text = g_strdup_printf ("%d", g_date_time_get_week_of_year (date));
gtk_label_set_label (GTK_LABEL (self->rows[row]), text);
g_free (text);
}
gcal_date_chooser_invalidate_day_options (self);
}
/* 0 == sunday */
static gchar *
calendar_get_weekday_name (gint i)
{
GDateTime *date;
gchar *formatted_date;
gchar *upcased_date;
gchar *text;
date = g_date_time_new_local (2015, 1, 4 + i, 1, 1, 1);
formatted_date = g_date_time_format (date, "%a");
g_date_time_unref (date);
upcased_date = g_utf8_strup (formatted_date, -1);
g_free (formatted_date);
text = g_utf8_substring (upcased_date, 0, 1);
g_free (upcased_date);
return text;
}
/* 0 = january */
static gchar *
calendar_get_month_name (gint i)
{
GDateTime *date;
gchar *text;
date = g_date_time_new_local (2015, i + 1, 1, 1, 1, 1);
text = g_date_time_format (date, "%B");
g_date_time_unref (date);
return text;
}
static void
calendar_init_weekday_display (GcalDateChooser *self)
{
gint i;
gchar *text;
for (i = 0; i < 7; i++)
{
text = calendar_get_weekday_name ((i + self->week_start) % 7);
gtk_label_set_label (GTK_LABEL (self->cols[i]), text);
g_free (text);
}
}
static gchar *
format_month (GcalMultiChoice *choice,
gint value,
gpointer data)
{
return calendar_get_month_name (value);
}
static void
calendar_init_month_display (GcalDateChooser *self)
{
gchar *months[13];
gchar *month;
gint i;
for (i = 0; i < 12; i++)
{
month = calendar_get_month_name (i);
months[i] = g_strdup_printf ("%s", month);
g_free (month);
}
months[12] = NULL;
gcal_multi_choice_set_choices (GCAL_MULTI_CHOICE (self->month_choice),
(const gchar**) months);
for (i = 0; i < 12; i++)
g_free (months[i]);
gcal_multi_choice_set_format_callback (GCAL_MULTI_CHOICE (self->month_choice),
format_month,
self,
NULL);
}
static void
calendar_update_selected_day_display (GcalDateChooser *self)
{
GcalDateChooserDay *d;
GDateTime *date;
gint row, col;
for (row = 0; row < 6; row++)
{
for (col = 0; col < 7; col++)
{
d = GCAL_DATE_CHOOSER_DAY (self->days[row][col]);
date = gcal_date_chooser_day_get_date (d);
gcal_date_chooser_day_set_selected (d, datetime_compare_date (date, self->date) == 0);
}
}
}
static void
calendar_update_selected_day (GcalDateChooser *self)
{
GDateTime *date;
gint month_len;
gint year, month, day;
g_date_time_get_ymd (self->date, &year, &month, &day);
month_len = month_length[leap (year)][month];
if (month_len < day)
{
date = g_date_time_new_local (year, month, month_len, 1, 1, 1);
gcal_date_chooser_set_date (self, date);
g_date_time_unref (date);
}
else
{
calendar_update_selected_day_display (self);
}
}
static void
day_selected_cb (GcalDateChooserDay *d,
GcalDateChooser *self)
{
gcal_date_chooser_set_date (self, gcal_date_chooser_day_get_date (d));
}
static void
calendar_set_property (GObject *obj,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
GcalDateChooser *self = GCAL_DATE_CHOOSER (obj);
switch (property_id)
{
case PROP_DATE:
gcal_date_chooser_set_date (self, g_value_get_boxed (value));
break;
case PROP_SHOW_HEADING:
gcal_date_chooser_set_show_heading (self, g_value_get_boolean (value));
break;
case PROP_SHOW_DAY_NAMES:
gcal_date_chooser_set_show_day_names (self, g_value_get_boolean (value));
break;
case PROP_SHOW_WEEK_NUMBERS:
gcal_date_chooser_set_show_week_numbers (self, g_value_get_boolean (value));
break;
case PROP_NO_MONTH_CHANGE:
gcal_date_chooser_set_no_month_change (self, g_value_get_boolean (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (obj, property_id, pspec);
break;
}
}
static void
calendar_get_property (GObject *obj,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
GcalDateChooser *self = GCAL_DATE_CHOOSER (obj);
switch (property_id)
{
case PROP_DATE:
g_value_set_boxed (value, self->date);
break;
case PROP_SHOW_HEADING:
g_value_set_boolean (value, self->show_heading);
break;
case PROP_SHOW_DAY_NAMES:
g_value_set_boolean (value, self->show_day_names);
break;
case PROP_SHOW_WEEK_NUMBERS:
g_value_set_boolean (value, self->show_week_numbers);
break;
case PROP_NO_MONTH_CHANGE:
g_value_set_boolean (value, self->no_month_change);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (obj, property_id, pspec);
break;
}
}
static void
multi_choice_changed (GcalDateChooser *self)
{
GDateTime *date;
gint year, month, day;
year = gcal_multi_choice_get_value (GCAL_MULTI_CHOICE (self->year_choice));
month = gcal_multi_choice_get_value (GCAL_MULTI_CHOICE (self->month_choice)) + 1;
g_date_time_get_ymd (self->date, NULL, NULL, &day);
date = g_date_time_new_local (year, month, day, 1, 1, 1);
gcal_date_chooser_set_date (self, date);
g_date_time_unref (date);
}
static void
calendar_drag_data_received (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
GtkSelectionData *selection_data,
guint info,
guint time)
{
GcalDateChooser *self = GCAL_DATE_CHOOSER (widget);
gchar *text;
GDate *gdate;
gint year, month, day;
GDateTime *date;
gdate = g_date_new ();
text = (gchar *)gtk_selection_data_get_text (selection_data);
if (text)
{
g_date_set_parse (gdate, text);
g_free (text);
}
if (!g_date_valid (gdate))
{
g_date_free (gdate);
gtk_drag_finish (context, FALSE, FALSE, time);
return;
}
year = g_date_get_year (gdate);
month = g_date_get_month (gdate);
day = g_date_get_day (gdate);
g_date_free (gdate);
gtk_drag_finish (context, TRUE, FALSE, time);
if (!self->show_heading || self->no_month_change)
g_date_time_get_ymd (self->date, &year, &month, NULL);
date = g_date_time_new_local (year, month, day, 1, 1, 1);
gcal_date_chooser_set_date (self, date);
g_date_time_unref (date);
}
static void
gcal_date_chooser_finalize (GObject *object)
{
GcalDateChooser *self = GCAL_DATE_CHOOSER (object);
g_clear_pointer (&self->date, g_date_time_unref);
G_OBJECT_CLASS (gcal_date_chooser_parent_class)->finalize (object);
}
static void
gcal_date_chooser_dispose (GObject *object)
{
G_OBJECT_CLASS (gcal_date_chooser_parent_class)->dispose (object);
}
static void
gcal_date_chooser_class_init (GcalDateChooserClass *class)
{
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
GObjectClass *object_class = G_OBJECT_CLASS (class);
g_type_ensure (GCAL_TYPE_MULTI_CHOICE);
object_class->dispose = gcal_date_chooser_dispose;
object_class->finalize = gcal_date_chooser_finalize;
object_class->set_property = calendar_set_property;
object_class->get_property = calendar_get_property;
widget_class->drag_data_received = calendar_drag_data_received;
gtk_widget_class_set_template_from_resource (widget_class, "/org/gnome/calendar/date-chooser.ui");
properties[PROP_DATE] = g_param_spec_boxed ("date",
"Date",
"The selected date",
G_TYPE_DATE_TIME,
G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY);
properties[PROP_SHOW_HEADING] = g_param_spec_boolean ("show-heading",
"Show Heading",
"If TRUE, a heading is displayed",
TRUE,
G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY);
properties[PROP_SHOW_DAY_NAMES] = g_param_spec_boolean ("show-day-names",
"Show Day Names",
"If TRUE, day names are displayed",
TRUE,
G_PARAM_READWRITE);
properties[PROP_SHOW_WEEK_NUMBERS] = g_param_spec_boolean ("show-week-numbers",
"Show Week Numbers",
"If TRUE, week numbers are displayed",
TRUE,
G_PARAM_READWRITE);
properties[PROP_NO_MONTH_CHANGE] = g_param_spec_boolean ("no-month-change",
"No Month Change",
"If TRUE, the selected month cannot be changed",
FALSE,
G_PARAM_READWRITE);
g_object_class_install_properties (object_class, NUM_PROPERTIES, properties);
signals[MONTH_CHANGED] = g_signal_new ("month-changed",
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_RUN_FIRST,
0,
NULL, NULL,
NULL,
G_TYPE_NONE, 0);
signals[DAY_SELECTED] = g_signal_new ("day-selected",
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_RUN_FIRST,
0,
NULL, NULL,
NULL,
G_TYPE_NONE, 0);
gtk_widget_class_bind_template_child (widget_class, GcalDateChooser, month_choice);
gtk_widget_class_bind_template_child (widget_class, GcalDateChooser, year_choice);
gtk_widget_class_bind_template_child (widget_class, GcalDateChooser, grid);
gtk_widget_class_bind_template_callback (widget_class, multi_choice_changed);
gtk_widget_class_set_css_name (widget_class, "datechooser");
}
static void
gcal_date_chooser_init (GcalDateChooser *self)
{
GtkWidget *label;
gint row, col;
gint year, month;
self->show_heading = TRUE;
self->show_day_names = TRUE;
self->show_week_numbers = TRUE;
self->no_month_change = FALSE;
self->date = g_date_time_new_now_local ();
g_date_time_get_ymd (self->date, &self->this_year, NULL, NULL);
self->week_start = get_first_weekday ();
gtk_widget_init_template (GTK_WIDGET (self));
for (col = 0; col < 7; col++)
{
self->cols[col] = gtk_label_new ("");
g_object_bind_property (self,
"show-day-names",
self->cols[col],
"visible",
G_BINDING_SYNC_CREATE);
gtk_style_context_add_class (gtk_widget_get_style_context (self->cols[col]), "weekday");
gtk_grid_attach (GTK_GRID (self->grid), self->cols[col], col, -1, 1, 1);
}
for (row = 0; row < 6; row++)
{
self->rows[row] = gtk_label_new ("");
g_object_bind_property (self,
"show-week-numbers",
self->rows[row],
"visible",
G_BINDING_SYNC_CREATE);
gtk_widget_show (self->rows[row]);
gtk_style_context_add_class (gtk_widget_get_style_context (self->rows[row]), "weeknum");
gtk_grid_attach (GTK_GRID (self->grid), self->rows[row], -1, row, 1, 1);
}
/* We are using a stack here to keep the week number column from shrinking
* when all the weeks are single-digit
*/
self->corner = gtk_stack_new ();
gtk_grid_attach (GTK_GRID (self->grid), self->corner, -1, -1, 1, 1);
label = gtk_label_new ("");
gtk_widget_show (label);
gtk_style_context_add_class (gtk_widget_get_style_context (label), "weekday");
gtk_container_add (GTK_CONTAINER (self->corner), label);
label = gtk_label_new ("99");
gtk_style_context_add_class (gtk_widget_get_style_context (label), "weeknum");
gtk_container_add (GTK_CONTAINER (self->corner), label);
self->day_grid = g_object_new (GTK_TYPE_GRID,
"valign", GTK_ALIGN_FILL,
"halign", GTK_ALIGN_FILL,
"row-spacing", 2,
"column-spacing", 2,
"visible", TRUE,
NULL);
gtk_grid_attach (GTK_GRID (self->grid), self->day_grid, 0, 0, 7, 6);
for (row = 0; row < 6; row++)
{
for (col = 0; col < 7; col++)
{
self->days[row][col] = gcal_date_chooser_day_new ();
g_signal_connect (self->days[row][col],
"selected",
G_CALLBACK (day_selected_cb),
self);
gtk_widget_show (self->days[row][col]);
gtk_grid_attach (GTK_GRID (self->day_grid), self->days[row][col], col, row, 1, 1);
}
}
calendar_init_month_display (self);
calendar_init_weekday_display (self);
calendar_compute_days (self);
g_date_time_get_ymd (self->date, &year, &month, NULL);
gcal_multi_choice_set_value (GCAL_MULTI_CHOICE (self->year_choice), year);
gcal_multi_choice_set_value (GCAL_MULTI_CHOICE (self->month_choice), month - 1);
calendar_update_selected_day_display (self);
gtk_drag_dest_set (GTK_WIDGET (self), GTK_DEST_DEFAULT_ALL, NULL, 0, GDK_ACTION_COPY);
gtk_drag_dest_add_text_targets (GTK_WIDGET (self));
}
GtkWidget*
gcal_date_chooser_new (void)
{
return g_object_new (GCAL_TYPE_DATE_CHOOSER, NULL);
}
void
gcal_date_chooser_set_show_heading (GcalDateChooser *self,
gboolean setting)
{
if (self->show_heading == setting)
return;
self->show_heading = setting;
g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_SHOW_HEADING]);
}
gboolean
gcal_date_chooser_get_show_heading (GcalDateChooser *self)
{
return self->show_heading;
}
void
gcal_date_chooser_set_show_day_names (GcalDateChooser *self,
gboolean setting)
{
if (self->show_day_names == setting)
return;
self->show_day_names = setting;
gtk_widget_set_visible (self->corner, self->show_day_names && self->show_week_numbers);
g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_SHOW_DAY_NAMES]);
}
gboolean
gcal_date_chooser_get_show_day_names (GcalDateChooser *self)
{
return self->show_day_names;
}
void
gcal_date_chooser_set_show_week_numbers (GcalDateChooser *self,
gboolean setting)
{
if (self->show_week_numbers == setting)
return;
self->show_week_numbers = setting;
gtk_widget_set_visible (self->corner, self->show_day_names && self->show_week_numbers);
g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_SHOW_WEEK_NUMBERS]);
}
gboolean
gcal_date_chooser_get_show_week_numbers (GcalDateChooser *self)
{
return self->show_week_numbers;
}
void
gcal_date_chooser_set_no_month_change (GcalDateChooser *self,
gboolean setting)
{
if (self->no_month_change == setting)
return;
self->no_month_change = setting;
g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_NO_MONTH_CHANGE]);
}
gboolean
gcal_date_chooser_get_no_month_change (GcalDateChooser *self)
{
return self->no_month_change;
}
void
gcal_date_chooser_set_date (GcalDateChooser *self,
GDateTime *date)
{
gint y1, m1, d1, y2, m2, d2;
g_object_freeze_notify (G_OBJECT (self));
g_date_time_get_ymd (self->date, &y1, &m1, &d1);
g_date_time_get_ymd (date, &y2, &m2, &d2);
g_date_time_unref (self->date);
self->date = g_date_time_ref (date);
if (y1 != y2 || m1 != m2)
{
gcal_multi_choice_set_value (GCAL_MULTI_CHOICE (self->year_choice), y2);
gcal_multi_choice_set_value (GCAL_MULTI_CHOICE (self->month_choice), m2 - 1);
calendar_compute_days (self);
}
if (y1 != y2 || m1 != m2 || d1 != d2)
{
calendar_update_selected_day (self);
g_signal_emit (self, signals[DAY_SELECTED], 0);
g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_DATE]);
}
g_object_thaw_notify (G_OBJECT (self));
}
GDateTime *
gcal_date_chooser_get_date (GcalDateChooser *self)
{
return self->date;
}
void
gcal_date_chooser_set_day_options_callback (GcalDateChooser *self,
GcalDateChooserDayOptionsCallback callback,
gpointer data,
GDestroyNotify destroy)
{
if (self->day_options_destroy)
self->day_options_destroy (self->day_options_data);
self->day_options_cb = callback;
self->day_options_data = data;
self->day_options_destroy = destroy;
gcal_date_chooser_invalidate_day_options (self);
}
void
gcal_date_chooser_invalidate_day_options (GcalDateChooser *self)
{
GcalDateChooserDayOptions options;
GcalDateChooserDay *d;
GDateTime *date;
gint row, col;
for (row = 0; row < 6; row++)
{
for (col = 0; col < 7; col++)
{
d = GCAL_DATE_CHOOSER_DAY (self->days[row][col]);
date = gcal_date_chooser_day_get_date (d);
if (self->day_options_cb)
options = self->day_options_cb (self, date, self->day_options_data);
else
options = GCAL_DATE_CHOOSER_DAY_NONE;
gcal_date_chooser_day_set_options (d, options);
}
}
}
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